Home / 2,911.28-4,364.64-1,352.24

Finding the Fourth Proportional to 2,911.28, 4,364.64 and 1,352.24

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Solution

The fourth proportional to 2,911.28, 4,364.64 and 1,352.24 is: 2,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.28 : 4,364.64 = 1,352.24 : x
  2. Step 2: Convert to fraction form
    2,911.28/4,364.64 = 1,352.24/x
  3. Step 3: Cross multiply
    2,911.28x = 4,364.64 × 1,352.24
  4. Step 4: Simplify right side
    2,911.28x = 5,902,040.79
  5. Step 5: Solve for x
    x = 5,902,040.79/2,911.28
  6. Step 6: Final answer
    x = 2,027.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.